Finding the Fourth Proportional to 238,928.48, 358,226.63 and 105,736.08
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Solution
The fourth proportional to 238,928.48, 358,226.63 and 105,736.08 is: 158,530.62
Step by Step Solution
- Step 1: Write the proportion equation
238,928.48 : 358,226.63 = 105,736.08 : x - Step 2: Convert to fraction form
238,928.48/358,226.63 = 105,736.08/x - Step 3: Cross multiply
238,928.48x = 358,226.63 × 105,736.08 - Step 4: Simplify right side
238,928.48x = 37,877,479,079.13 - Step 5: Solve for x
x = 37,877,479,079.13/238,928.48 - Step 6: Final answer
x = 158,530.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.